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Shifa asked a question
Subject: Chemistry, asked on on 16/10/16
at 30 degree celsius , the solubility of ag2co3 (Ksp= 8 * 10^-12) would be maximum in 1 litre of ? 
a) pure water 
b) 0.05 M NH3
c)0.05 agno3
d)0.05m na2co3

Please explain
Shifa asked a question
Subject: Chemistry, asked on on 16/10/16
For the reaction n2+o2-->2no equilibrium constant=2
degree of association is
Arvind asked a question
Subject: Chemistry, asked on on 13/2/17
LiCl.3NH3<----->LiCl.NH3 + 2 NH3, Kp=4 atm^2 at 40 degrees Celcius. 
A 5L vessel contains 0.1 mol LiClNH3. How many moles of NH3 should be added to flask at this temperature to derive backward reaction to completion?    [0.728 moles]
Rajesh asked a question
Subject: Chemistry, asked on on 12/12/17
In a mixture of N2 and H2 in the ratio of 1:3 at 64 atm and 300 C, the percentage of ammonia under equilibrium is 33.33 by volume . Calculate the equilibrium constant of the reaction using the equation N2+3H2 2NH3
Rashmika B asked a question
Subject: Chemistry, asked on on 12/3/17
calculate the ph of 10^-10 M NaOH
Arvind asked a question
Subject: Chemistry, asked on on 8/4/17
1 mol of O2 and 2 mol SO2 heated in closed vessel of 1L capacity at 1098 K. At eqb., 1.6 mol of SO3 were found. The eqb constant Kc of rxn is?
Shifa asked a question
Subject: Chemistry, asked on on 16/10/16
the ph of a mixture of 0.01M hcl and 0.1M ch3cooh is approximately
Prithesh Dwivedi asked a question
Subject: Chemistry, asked on on 10/6/16
Bleaching powder reacts with iodide ion. 0.6 gm of bleaching powder requires 34 ml of 0.1 M Na2S2O3 to titrate the liberated iodine. The % of Cl in the samole is
Sonal Dogra & 1 other asked a question
Subject: Chemistry, asked on on 18/8/18
HELLO MAM ,
Riya D . here .
Actually I had the following doubt in chemical equilibrium chap
QUESTION : The decomposition of N2O4 to NO2 is carried out at 280 degree in chloroform .
When equlibrium is reached ,0.2 mol of N2O4 and 2*10^-3 mol of NO2 re present in a 2L solution .
The equilibium constant for the reaction is

a. 1*10^-2 b.2*10^-3 c. 1*10^-5 d. 2*10^-5

thank you
Awantika Srivastava asked a question
Subject: Chemistry, asked on on 16/11/16
calculate the weight of 90% pure sulphuric acid to neutralize 5g of caustic soda 
Bhavya Arora asked a question
Subject: Chemistry, asked on on 23/10/17
Calculate the standard Gibbs free energy change for the reaction N2+3H2 gives 2NH3 The value of equilibrium constant for the above reaction is 6.6×10^5
Shifa asked a question
Subject: Chemistry, asked on on 15/4/17
10–6 M NaOH is diluted 100 times. The pH of diluted solution will be​
Ritik Trehan asked a question
Subject: Chemistry, asked on on 28/9/16
solid NH4HS(s) dissociates to give NH3(g) and H2 (G) and is allowed to attain equilibrium at 100 c . if the value of Kp for its dissociation is found to be 0.34 , find the total pressure at equillibrium and partial pressure of each component
Shifa asked a question
Subject: Chemistry, asked on on 15/4/17
​If heat of formation of H2O (g) is –58.3 kcal per mole, than heat of formation of H2O (l) is likely to be
Akansha asked a question
Subject: Chemistry, asked on on 17/11/16





What is the value of the ionisation constantKa of an acid HAif the pH of its 0.01 molar solution is 2?
Alan Alex asked a question
Subject: Chemistry, asked on on 30/8/16
For the following reactions, equilibrium constants are given.
  1. CO(g) + H2O(g) CO2(g) + H2(g) ; K1
  2. CH4(g) + H2O(g) CO(g) + 3H2O(g) ; K2
  3. CH4(g) + 2H2O(g) CO2(g) + 4H2(g) ; K3
Find the relation between K1, K2 and K3.
Palak asked a question
Subject: Chemistry, asked on on 12/3/18
At normal temp. and pressure ,5.29 ml hydrogen react with 0.0401 gm iodine at 444 C and give 6.35 ml Hydrogen iodide. calculate equilibrium constant for synthesis of HI at this temp .?
Prerna Varshney asked a question
Subject: Chemistry, asked on on 19/11/16
why we not say that x-1 instead of 1-x .
Avika . asked a question
Subject: Chemistry, asked on on 5/10/17
Nitrogen chloride NaCl decomposes into an no and cl2 has 2 NaCl Uno Plus 2 cm to the equilibrium partial pressure of NaCl and NaOH and cl2 at 500 Kelvin have been found to be 0.75 0.11 and 0.848 CM respectively calculate KP for the reaction
Kumud asked a question
Subject: Chemistry, asked on on 20/10/16
eay class
Devashree Sharma asked a question
Subject: Chemistry, asked on on 12/1/17
hello ma'am , my name is Devashree and I am a new student. I just wanted to know that, I have kept my pepsi in friger by mistake and by the next day it bursted out , some pepsi was coming out of its mouth and when I touched its body i got current. So what is the reason behind this?
Neha Jain & 1 other asked a question
Subject: Chemistry, asked on on 22/11/16
arrange the following reaction occuring at 298 and 1 atm in order of increasing tendency of the forword reaction to proceed towards equillibrium
(a) cl2gives 2cl, Kc=5* 10^-39
(b) cl2+2NO gives 2NOCl, Kc=3.3 *10^8
(c)cl2+ 2NO2 gives 2NO2Cl,Kc=1.8
(ans) b<c<a (right) if not please explain
Almas asked a question
Subject: Chemistry, asked on on 26/3/17
Select correct statement :-
(1) When we add small amount of NaOH in acidic buffer solution, pOH of solution is increases
(2) When we add small amount of NaOH in basic buffer solution. pH of solution is decreases
(3) When we add small amount of water in acidic buffer solution, pH of solution is decreases
(4) When 100 mL of 0.2 M CH3COOH react with 100 mL of 0.1 M NaOH buffer solution is formed
Please explain this
 
Simran asked a question
Subject: Chemistry, asked on on 9/10/17
Mam! I've problem in logs I didn't study logs so I am facing problems in doing questions as logs are used in thermo and equilibrium too...so what to do?? Actually I don't study maths from mn cause I've another tution of maths. Mam if u don't mind can u give me table of logs only that will be use in questions!!
Prerna Varshney asked a question
Subject: Chemistry, asked on on 19/11/16
PCl5 (g) gives PCl3(g) + Cl2(g) in this equillibrium if we decrease the pressure the reaction is in backword (right) if not please explain .
Varun Gupta asked a question
Subject: Chemistry, asked on on 13/10/17
Nitrogen and oxygen react together to form nitric oxide, which decomposes to give back the reactants. In a container of one litre capacity, two moles of nitrogen, two moles of oxygen and four moles of niric oxide were injected. What will be the concentration of nitric oxide at equilibrium at 1,727o C? The equilibrium constant for the reaction, at 1,727o C, is 4.1:
(A) 6.01 mol/L
(B) 3.54 mol/L
(C) 4.71 mol/L
(D) 5.84 mol/L
Tks Arunachalam asked a question
Subject: Chemistry, asked on on 14/10/16
Solve this plzz
Tks Arunachalam asked a question
Subject: Chemistry, asked on on 14/10/16
Sole this plzz
Akansha asked a question
Subject: Chemistry, asked on on 17/11/16
How much water is required to convert 1 litre of an aqueous solution of HNO3having a pH value of 2 into an aqueous solution of HNO3with a pH value of 3?..pls explainn clearly
Aishwarya Trivedi asked a question
Subject: Chemistry, asked on on 16/3/17
in this question the total pressure is 50 atm. we have to find  the pressure at which 50% dissociation occurs at the same temperature
Devesh asked a question
Subject: Chemistry, asked on on 19/12/16
which one is more stronger base between water and acetic acid?
Theeshan asked a question
Subject: Chemistry, asked on on 17/2/17
consider the equilibrium system SO3 <=> SO2 + 1/2 O2 At 400K , a 20 g of SO3 exhibited decomposition of 45% at the equilibrium pressure of 1 atm.Calculate Kp
Vidhi Maheshwari asked a question
Subject: Chemistry, asked on on 20/1/18
for reversible reaction 2A(g) + B(g) to 4C(g) + heat at equilibrium what is the effect of adding He at a constant volume
Hermoine asked a question
Subject: Chemistry, asked on on 1/11/17
Calculate the n factor for thiosulphate when it is converted into sulphate.Mam please help me with this
Syed Ayaan asked a question
Subject: Chemistry, asked on on 20/10/16
Why does not the equilibrium position change when solids or liquids are added to a solution at equilibrium ?..m really confused!..
Syed Ayaan asked a question
Subject: Chemistry, asked on on 20/10/16
How is it possible to have 3 moles of a gas in 1 litre if we say 1 LITRE of gas contains 22.4 moles ..Is it due to pressure or what?
Syed Ayaan asked a question
Subject: Chemistry, asked on on 20/10/16
what exactly is the difference between reaction quotient n rate constantt?....
Dhruvin Pandya asked a question
Subject: Chemistry, asked on on 10/10/18
The numerical value of equilirium constant depends on
Options:
Temperature
Pressure
Concentration of reactant
All of these
Theeshan asked a question
Subject: Chemistry, asked on on 17/2/17
Consider the equilibrium 2A <=>A2 Kp = 3.72 /atm at some temperature T K.The total equilibrium pressure = 1.5 atm.Calculate the partial pressure of the dimer
Devesh asked a question
Subject: Chemistry, asked on on 19/12/16
Is pH+pOH=14 only at a temp. near 300 K or at all temperatures?
Devesh asked a question
Subject: Chemistry, asked on on 19/12/16
HSO​4- is  weak acid or strong acid?
Prakhar Pandey asked a question
Subject: Chemistry, asked on on 19/10/16
what is the key role of hybridization
Vishal asked a question
Subject: Chemistry, asked on on 21/10/19
the solubility product of agcl is 1.4*10^-4 at temperature equal to the boiling point of water....calculate solubility of agcl at that temperature
Aishwarya Trivedi asked a question
Subject: Chemistry, asked on on 16/3/17
​IN THIS TABLE IN THE 6 ,7 and 8 the favourable condition for the product is low pressure but according to me it should be high pressure plse explain?
Bhavya Arora asked a question
Subject: Chemistry, asked on on 22/9/17
Breifly explain ICE rule and how to apply it?
Shifa asked a question
Subject: Chemistry, asked on on 16/10/16
If ionic profuct of water is kw=10^16 at 4oC then solution with pH=7.5 at 4oC will be
Devesh asked a question
Subject: Chemistry, asked on on 19/12/16
0.2 M Na2CO3 & 0.2 M NaHCO3   ---- buffer or not? If yes, then which buffer?
Janhavi Tarale asked a question
Subject: Chemistry, asked on on 19/1/18
Why do NaOH dissolve in water more easily when temperature is high
Prakhar Pandey asked a question
Subject: Chemistry, asked on on 19/10/16
what is spin n principal quantum no
Devesh asked a question
Subject: Chemistry, asked on on 19/12/16
How do we know that CH​3COONa and HCl will react or not ??
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